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Rationalising Denominators Guide

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70 views5 pages

Rationalising Denominators Guide

Uploaded by

Virginia Dioli
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Name:

Level 2 Further Maths

Rationalising Denominators

Ensure you have: Pencil or pen

Guidance

1. Read each question carefully before you begin answering it.


2. Check your answers seem right.
3. Always show your workings

Revision for this topic


www.corbettmaths.com/more/further-maths/

© Corbettmaths 2019
9
1. Rationalise the denominator and simplify fully
10 + 3

………………………..
(3)

33
2. Rationalise the denominator of
4− 5

Give your answer in the form a + b 5 where a and b are integers.

………………………..
(3)

© Corbettmaths 2019
5−7
3. Rationalise and simplify
5+1

Give your answer in the form a + b 5 where a and b are integers.

………………………..
(4)
18 − 6
4. Rationalise and simplify
3− 6

Give your answer in the form a + b 6 where a and b are integers.

………………………..
(4)

© Corbettmaths 2019
20 − 50
5. Simplify fully
3 2−5

Give your answer in the form a + b 2 where a and b are integers.

………………………..
(5)

6 12
6. Write in the form x + y where x and y are integers.
3− 5

………………………..
(5)
© Corbettmaths 2019
17 3 + 5 5
7. Rationalise and simplify
2 3− 5

………………………..
(5)

© Corbettmaths 2019

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